A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
Data transmission has three modes, of the answers below choose the best answer that is not one of those modes.
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links several smaller area networks together over a wide geographical area.
In each OSI layer, each device must be identified to be used. In which of the layers below does the physical address of each network device reside?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "H"?
A media access control address is the name of the physical address that the Ethernet uses. Which of the answers represent the number of bytes that make up this MAC?
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
In the process conditions model, there are transition points between the stages of operating conditions. Which of the answers below is the signals conditions moving from abnormal to shutdown conditions?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the NIC interacts with?
Which of the answers below best represents the required nominal impedance of the data pair cabling in the DeviceNet system?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with discrete data where more information is needed?
Which of the DeviceNet components below is best described as being used where cable shielding and ingress protection is not needed?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would allow various workstations to receive data from servers and controllers?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below makes adjustments to alarms attributes using a processes operating state to be the basis for modifications to an alarm using advanced logic?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
Which of the messaging methods is best described as one that can be initiated by the link master and the basic device in the H1 transmission system?
Which of the recommended standards below would be best described as an unbalanced transmission system?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the block supports a cascade path and the value quality is good?